CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS

Astronomy · Mendonça

A live observatory for the Sun, Moon, daylight, twilight and the sky above Mendonça.

Location

Observation Date

Local Time

LIVE CELESTIAL STATE

The Sun is above the horizon

Mendonça · 12:02 solar noon · 12h 44m of daylight

LOCAL OBSERVATION12:002026-10-23 · America/Sao_Paulo

SUN

80.3°N · azimuth 3.8°

MOON

Waxing Gibbous98.5% illuminated · -54.3° altitude

LIGHT

12h 44mdaylight · 11h 16m night

RISE 05:40SET 18:24

TWILIGHT

18:46civil dusk · astronomical dusk 19:40

DAWN 05:17DUSK 18:46

CELESTIAL HORIZONAltitude · current observation

Sun

Moon

0° horizon45°90° zenith

PLANETARY EPHEMERIS

Solar System · Mendonça

Topocentric positions for the selected observation time. Coordinates update with the Time Machine.

2 visible above horizon

BODY	ALT	AZ	RA	DEC	DISTANCE	MAG	RISE / SET
MercuryVISIBLE	51.1°	263°	15.18h	-20.9°	0.794 AU	0.4	06:41 / 19:56
VenusVISIBLE	30.9°	261°	13.76h	-18.0°	0.273 AU	-4.3	05:20 / 18:25
MarsBELOW HORIZON	-44.7°	274°	9.15h	17.9°	1.498 AU	1.0	01:43 / 12:52
JupiterBELOW HORIZON	-35.8°	273°	9.72h	14.4°	5.622 AU	-2.0	02:11 / 13:32
SaturnBELOW HORIZON	-9.8°	93°	0.67h	1.4°	8.490 AU	0.3	16:49 / 04:47
UranusBELOW HORIZON	-65.2°	86°	4.20h	21.0°	18.610 AU	5.6	20:52 / 07:47
NeptuneBELOW HORIZON	-2.2°	92°	0.18h	-0.4°	28.996 AU	7.8	16:16 / 04:20

SOLAR SYSTEM

Planetary Orbits · 2026-10-23 12:00

Heliocentric orbital geometry for the selected instant. Distances use a logarithmic visual scale so the inner planets remain readable.

SUN

🜨 Earth

0.995 AUheliocentric distance

ORBIT: 1.000 AU
ECCENTRICITY: 0.0167
INCLINATION: -0.00°
TRUE ANOMALY: 286.8°
FROM EARTH: 0.995 AU
ALT / AZ: 47.5° / 43°

EARTH · MOON · SUN

Three-Body Relationship · 2026-10-23 12:00

Geocentric directions and lunar phase at the selected instant. The geometry is intentionally schematic, not to scale.

ELONGATION147.0°

EARTH

SUN

MOON

MOON PHASEWaxing Gibbous

ILLUMINATION98.5%

MOON DISTANCE381,260.083 km

SUN DISTANCE0.99491 AU

PHASE ANGLE14.0°

CELESTIAL ATLAS

Constellation Map · Equatorial Coordinates

Real right ascension and declination for selected reference stars. This map is a chart, so the denser astronomical treatment stays here rather than in Living Sky.

Betelgeuse

Bellatrix

Alnilam

Alnitak

Mintaka

Rigel

RIGHT ASCENSION →

DECLINATION ↑

Orion6 reference stars

Coordinates are plotted in an equatorial frame, independent of local horizon orientation.

Betelgeuse: 5.92h · 7.4° · mag 0.5
Bellatrix: 5.42h · 6.3° · mag 1.6
Alnilam: 5.60h · -1.2° · mag 1.7
Alnitak: 5.68h · -1.9° · mag 1.7
Mintaka: 5.53h · -0.3° · mag 2.2
Rigel: 5.24h · -8.2° · mag 0.1

DEEP SKY ATLAS

Celestial Objects · Mendonça

Bright Messier objects plotted from their equatorial coordinates and evaluated for the selected time and location.

Andromeda Galaxy

ZENITH

HORIZON

EAST

WEST

M31 · NGC 224Andromeda GalaxyGalaxy · apparent magnitude 3.44

RA: 0.71h
DEC: 41.27°
ALTITUDE: 25.6°
AZIMUTH: 346.0°
HOUR ANGLE: 16.9°
ANGULAR SIZE: 178′ × 63′

ABOVE HORIZON